Hydrolig
(美式足球)充水护膝
🗣️ 情景例句
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
The best (greatest) fish keep (swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
幸运得很，一位飞行员看到这个信号，用无线电给最近的城镇发了报。